#AD4637#AD4637

#AD4637 is a mid, vivid red. Relative luminance 0.135; OKLCH L 52.9% C 0.138 H 30.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#AD4637
RGB	rgb(173, 70, 55)
HSL	hsl(8, 52%, 45%)
HSV	hsv(8, 68%, 68%)
CMYK	cmyk(0%, 59.5%, 68.2%, 32.2%)
CIE-LAB	lab(43.57, 41.20, 30.29)
CIE-LCH	lch(43.57, 51.14, 36.33°)
OKLab	oklab(52.92% 0.1191 0.0704)
OKLCH	oklch(52.92% 0.138 30.6)
XYZ	xyz(20.1153, 13.5430, 5.1685)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD4637 #379EAD

analogous

#AD3763 #AD4637 #AD8137

triadic

#AD4637 #37AD46 #4637AD

tetradic

#AD4637 #63AD37 #379EAD #8137AD

square

#AD4637 #63AD37 #379EAD #8137AD

split-complementary

#AD4637 #37AD81 #3763AD

monochromatic

#502019 #7F3328 #AD4637 #CA6657 #D89086

Accessibility & contrast

On white

5.66

#AD4637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#AD4637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD4637

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD4637	#FFFFFF	#000000	##FFFFFF
##AD4637	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#7B6F34

Tritanopia (blue-blind)

#BE3043

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #ad4637;
/* rgb */ color: rgb(173, 70, 55);
/* oklch */ color: oklch(52.9% 0.138 30.6);

Tailwind

colors: {
  custom: {
    50: '#cc7d6e',
    500: '#ad4637',
    950: '#000000',
  },
}

SCSS

$custom: #ad4637;
$custom-light: #cc7d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad4637",
  "rgb": {
    "r": 173,
    "g": 70,
    "b": 55
  },
  "hsl": {
    "h": 7.627,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52923,
    "c": 0.13834,
    "h": 30.6
  },
  "luminance": 0.1354
}

Semantic roles & 50–950 ramp

primary

#AD4637

secondary

#7DBAC2

accent

#C9DB4D

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AD4637

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →